Atos FX610 is a high-performance digital servoproportional valve that offers precise control of linear or rotary hydraulic actuators. With its on-board axis card and LVDT position transducer, it provides closed-loop position control for demanding applications. The FX610 is ideal for use in hazardous environments, thanks to its ATEX, IECEx, EAC, and CCC certifications for gas group II 2G and dust category II 2D.
Key features of the Atos FX610 include:
- Precise position control with closed-loop feedback
- On-board axis card and LVDT position transducer
- Multicertification for hazardous environments (ATEX, IECEx, EAC, CCC)
Atos FX610 is a high-performance digital servoproportional valve that offers precise control of linear or rotary hydraulic actuators. With its on-board axis card and LVDT position transducer, it provides closed-loop position control for demanding applications. The FX610 is ideal for use in hazardous environments, thanks to its ATEX, IECEx, EAC, and CCC certifications for gas group II 2G and dust category II 2D.
Key features of the Atos FX610 include:
- Precise position control with closed-loop feedback
- On-board axis card and LVDT position transducer
- Multicertification for hazardous environments (ATEX, IECEx, EAC, CCC)
Ex-proof digital servoproportionals with on-board axis card
direct, single solenoid, sleeve execution, with LVDT transducer, zero spool overlap - ATEX, IECEx, EAC, CCC
FX610
Table FX610-4/E
Ex-proof digital driver + axis card
Axis position transducer
Pressure transducers
1MODEL CODE
(1) Only for configuration 40
(2) For possible combined options, see section
19
Series number
DLHZA -/--
Configuration:
40 =
60 =
Option /B
Standard
040 L7 3 * *
/*
--
TEZ NP
SN
1 = 3 =
Valve size ISO 4401: 0 = 06
1 = 10
Alternated P/Q controls,
see section
:
SN = none
SF =
force control (2 pressure transducers)
SL = force control (1 load cell)
3
with fail safe configuration 1 or 3
without fail safe
Fail safe configuration, see section
:
21
Spool type, regulating characteristics:
L =linear T =not linear
(1)
V = progressive
D = differential-linear (1)
P-A = Q, B-T = Q/2
P-B = Q/2, A-T = Q
DT = differential-not linear (1)
P-A = Q, B-T = Q/2
P-B = Q/2, A-T = Q Nominal flow (l/min) at Δp 70bar P-T
Note: select 1 for configuration 60 even without fail safe
Hydraulic options (2):
B =
solenoid with on-board axis card and
position transducer at side of port A
Y = external drain
Electronic options (2):
C =
current feedback for
analog position and
pressure transducer 4 ÷ 20 mA
I = current reference input and monitor
4 ÷ 20 mA
TEZ = on-board digital driver + axis
card, one LVDT transducer
M
Cable entrance threaded connection:
M = M20x1,5
Ex-proof servoproportional
directional valves, direct
DLHZA = size 06
DLKZA = size 10
Seals material,
see section
:
- =
NBR
PE = FKM
BT = NBR low temp.
13
/
Spool size: 0(L) 1(L) 1(V) 3(L) 3(T) 3(V) 5(L,T) 7
(L,T,V,D,DT)
DLHZA = 4 7 8 14 - 20 28 40
DLKZA = - - - 60 60 - - 100
DLHZA-TEZ-D-SF-EP-040
DLHZA-TEZ, DLKZA-TEZ
Ex-proof digital servoproportional directional
valves, single solenoid, sleeve execution, with
on-board digital driver + axis card, LVDT
position transducer and zero spool overlap for
best performances in any position closed loop
controls of linear or rotative hydraulic actuator.
They are certified for safe operations in
hazardous environments with potentially
explosive atmosphere.
•
Multicertification ATEX, IECEx, EAC, CCC
for gas group II 2G and dust category II 2D
The controlled actuator has to be equipped with
position transducer (analog, potentiometer, SSI or
Encoder) to read the axis position feedback.
Optional alternated P/Q control add the force
limitation to position regulation, requiring
pressure or force transducers installation.
Smart Start-up procedure makes the
commissioning quicker and easier, thanks to the
Autotuning and Smart Tuning functionalities.
Multiple PID sets allows to easily switch axis
behaviour according to machine cycle.
DLHZA: DLKZA
:
Size:
06
-ISO 4401
Size:
10
-ISO 4401
Max flow: 50 l/min Max flow: 100 l/min
Max pressure: 350 bar Max pressure: 315 bar
Fieldbus interface, USB port always present:
NP = Not Present
BC = CANopen EW = POWERLINK
BP = PROFIBUS DP EI = EtherNet/IP
EH = EtherCAT EP = PROFINET RT/IRT
Position transducer type:
A = Analog (standard, potentiometer)
D = Digital (SSI, Encoder)
-D
2POSITION CONTROL
2.2 Automatic cycle
Axis card controls in closed loop the actuator position according to an internally generated automatic cycle: only start, stop and switch-over
commands are required from the machine electronic central unit by means On-off commands (e) or Fieldbus commands (f).
Atos PC software allows to realize an automatic cycle according to the application requirements. Refer to the axis card user manual for further
details on automatic cycle features.
2.1 External reference signal
Axis card controls in closed loop the actuator position according to a position reference signal from the machine central unit.
Position profile can be managed in two ways (software selectable):
- Without trajectory generation (a): the axis card receives from the machine central unit the position reference signal and follows it at any given instant
- With trajectory generation (b): the axis card receives from the machine central unit just the final target position and internally generates a
position profile limiting acceleration, velocity and deceleration
The position reference signal can be software selected between Analog reference (c) and Fieldbus reference (d).
Refer to the axis card user manual for further details on position control features.
M
position
t
Analog reference (c)
M
Fieldbus commands (f)
Machine
central unit
Fieldbus network
pos
speed profile generated
switch-over points
On-off commands (e)
Fieldbus reference (d)
Machine
central unit
Fieldbus network
position
Without trajectory generation (a)
With trajectory generation (b)
t
position reference signal
position feedback
position reference signal
generated position trajectory
position feedback
FX610
SF – position/force control
Adds force control to standard position control and permits to limit the max force in two directions controlling in closed loop the delta pressure acting on
both sides of the hydraulic actuator. Two pressure transducers have to be installed on A and B hydraulic lines.
SL – position/force control
Adds force control to standard position control and permits to limit the max force in one or two directions controlling in closed loop the force performed
by the hydraulic actuator. A load cell has to be installed on the hydraulic actuator.
General Notes:
- auxiliary check valves are recommended in case of specific hydraulic configuration requirements in absence of power supply or fault
- Atos technical office is available for additional evaluations related to specific applications
3ALTERNATED POSITION / FORCE CONTROL
SF and SL controls add the alternated force closed loop control to the actuator stan-
dard position control. Pressure or force remote transducers have to be installed on
the actuator and interfaced to the valve, see below functional schemes.
The position/force controls are operated according to two separate reference signals
and a dedicated algorithm automatically selects which control is active time by time.
The dynamics of the switching between the two controls can be regulated thanks to
specific software setting, in order to avoid instability and vibrations.
Position control is active (see phase and at side) when the actuator force is
lower than the relevant reference signal - the valve controls the actuator position by
closed-loop regulation.
Force control is active (see phase and at side) when the actuator actual force,
measured by remote transducers, grows up to the relevant reference signal - the axis
card reduces the valve’s regulation in order to limit the actuator force; if the force
tends to decrease under its reference signal, the position control returns active.
speed profile generated
t
t
force
forward
movement
backward
movement
force
control
force
control
reference value
actual value
Alternated control configurations
SF SL
DRIVER
T
M
CONTROLLER
P
P
AB
PT
DRIVER
T
M
CONTROLLER
L
AB
PT
two remote pressure transducers
have to be installed on the actuator’s ports;
the actuator force is calculated by the pressure feedbacks (Pa - Pb)
one load cell transducer
has to be installed between the actuator and the controlled load
valve spool transducer actuator position transducer pressure transducer load cell
T
M
P
L
Fieldbus allows valve direct communication with machine control unit for digital reference, valve diagnostics and settings. These executions
allow to operate the valves through fieldbus or analog signals available on the terminal board.
9FIELDBUS - see tech. table GS510
4GENERAL NOTES
Atos digital proportionals valves are CE marked according to the applicable directives (e.g. Immunity and Emission EMC Directive).
Installation, wirings and start-up procedures must be performed according to the general prescriptions shown in tech table FX900 and in the
user manuals included in the Z-SW-* programming software.
5VALVE SETTINGS AND PROGRAMMING TOOLS
Valve's functional parameters and configurations, can be easily set and optimized using Atos
Z-SW programming software connected via USB/Bluetooth to the axis card.
For fieldbus versions, the software permits valve's parameterization through USB/Bluetooth
also if the axis card is connected to the central machine unit via fieldbus.
USB or Bluetooth connection
Z-SW-FULL support: NP (USB) PS (Serial)
BC (CANopen) BP (PROFIBUS DP) EH (EtherCAT)
EW (POWERLINK) EI (EtherNet/IP) EP (PROFINET)
WARNING: axis card USB port is not isolated! For E-C-SB-USB/M12 cable, the use
of isolator adapter is highly recommended for PC protection (see tech table GS500)
WARNING: see tech table GS500 for the list of countries where the Bluetooth adapter has been approved
Note: Z-SW programming software supports valves with option SF, SL for alternated control
E-C-SB-USB/M12 cable
E-A-SB-USB/OPT isolator
E-C-SB-M12/BTH cable
E-A-SB-USB/BTH adapter
6SMART START-UP
The automatic procedure supports the user during the commissioning phases of the axis control with guided procedures:
General setting
It assists the user in system data setup, as like cylinder stroke, diameters, load mass, configure analog/digital signals and communication
interface, position transducer setup.
System check
It automatically executes position open loop movements to set axis control parameters, position transducer calibration and verify cylinder
stroke.
Position autotuning
It automatically determines the optimal PID parametrization of the position control adapting the dynamic response to guarantee control preci-
sion and axis stability. Once the procedure is started, the control performs few automatic position open loop movements of the actuator, during
which control parameters are calculated and stored.
7SMART TUNING
Once the Smart Start-up procedure has been completed, the Smart tuning feature allows to further refine the position control response by
choosing from 3 different levels of performance in positioning:
- dynamic best dynamics and accuracy (default factory setting)
- balanced average dynamics and accuracy
- smooth attenuated dynamics and accuracy to improve control stability in critical applications or in environments with electrical disturbances
Settings can be changed any time via Z-SW software or fieldbus.
If required, control performance can be further customized by modifying PID parameter via Z-SW software.
8MULTIPLE SETS
Multiple PID sets allows to easily switch axis behaviour according to machine cycle, selecting between independent groups of parameters for:
- position control PID
- force control PID and P/Q logics switching criteria
Settings can be changed any time via Z-SW software, fieldbus or digital input signals.
Time
1
423
Position
1 = position reference signal
2 = generated position trajectory
3 = dynamic
4 = balanced
5 = smooth
5
100
80
60
40
20
Position Error
Time
4
3
5
10 GENERAL CHARACTERISTICS
(1) referred to spool in neutral position and 50°C oil temperature
(2) 0-100% step signal
11 HYDRAULIC CHARACTERISTICS - based on mineral oil ISO VG 46 at 50 °C
Valve model
Pressure limits [bar]
DLHZA
ports P, A, B = 350;
T = 210 (250 with external drain /Y)
DLKZA
ports P, A, B = 315;
T = 210
(250 with external drain /Y)
Spool type
Leakage [cm3/min] at P = 100 bar (1)
≤ 13
≤ 0,1
≤ 20
≤ 0,1
± 0,1 ± 0,1
zero point displacement < 1% at ΔT = 40°C
L0
Max flow [l/min]
at Δp = 30 bar
at Δp = 70 bar
max permissible flow
Δp max P-T [bar]
L1 V1 L3 V3 L5 T5 L7 T7 V7 D7 DT7 L3 L7 T7 V7 D7 DT7
4,5
7
9
120
8
12
16
120
9
14
18
120
13
20
26
120
18
28
32
100
26
40
50
100
26÷13
40÷20
50÷28
100
40
60
70
90
60
100
100
70
60÷33
100÷50
100÷50
70
<200 <300 <500 <200 <900 <200
<1000
<100 <100 <150 <200 <200<700
<120
0
<400
Response time (2) [ms]
Hysteresis [% of max regulation]
Repeatibility [% of max regulation]
Thermal drift
2,5
4
5
120
T3
<400<1500 <400
Δp P-T
<400
Assembly position Any position
Subplate surface finishing to ISO 4401 Acceptable roughness index: Ra ≤0,8, recommended Ra 0,4 – Flatness ratio 0,01/100
MTTFd valves according to EN ISO 13849 150 years, for further details see technical table P007
Ambient temperature range Standard = -20°C ÷ +60°C /PE option = -20°C ÷ +60°C /BT option = -40°C ÷ +60°C
Storage temperature range Standard = -20°C ÷ +70°C /PE option = -20°C ÷ +70°C /BT option = -40°C ÷ +70°C
Surface protection Zinc coating with black passivation
Corrosion resistance Salt spray test (EN ISO 9227) > 200 h
Vibration resistance See technical table GX004
Compliance
Explosion proof protection, see section
-Flame proof enclosure “Ex d”
-Dust ignition protection by enclosure “Ex t”
CE according to EMC directive 2014/30/EU (Immunity: EN 61000-6-2; Emission: EN 61000-6-3)
RoHs Directive 2011/65/EU as last update by 2015/863/EU
REACH Regulation (EC) n°1907/2006
14
FX610
13 SEALS AND HYDRAULIC FLUIDS - for other fluids not included in below table, consult our technical office
Seals, recommended fluid temperature
NBR seals (standard) = -20°C ÷ +60°C, with HFC hydraulic fluids = -20°C ÷ +50°C
FKM seals (/PE option) = -20°C ÷ +80°C
NBR low temp. seals (/BT option) = -40°C ÷ +60°C, with HFC hydraulic fluids = -20°C ÷ +50°C
Recommended viscosity 20÷100 mm
2
/s - max allowed range 15 ÷ 380 mm
2
/s
Hydraulic fluid Suitable seals type Classification Ref. Standard
Mineral oils NBR, FKM, NBR low temp. HL, HLP, HLPD, HVLP, HVLPD DIN 51524
Flame resistant without water FKM HFDU, HFDR ISO 12922
Flame resistant with water (1) NBR, NBR low temp. HFC
Max fluid
contamination level
see also filter section at
www.atos.com or KTF catalog
normal operation
longer life
ISO4406 class 18/16/13 NAS1638 class 7
ISO4406 class 16/14/11 NAS1638 class 5
12 ELECTRICAL CHARACTERISTICS
Note: a maximum time of 800 ms (depending on communication type) have be considered between the axis card energizing with the 24 VDC
power supply and when the valve is ready to operate. During this time the current to the valve coils is switched to zero.
Power supplies Nominal : +24 VDC
Rectified and filtered : VRMS = 20 ÷ 32 VMAX (ripple max 10 % VPP)
Max power consumption 35 W
Analog input signals Voltage: range ±10 VDC (24 VMAX tollerant) Input impedance: Ri > 50 kΩ
Current: range ±20 mA Input impedance: Ri = 500 Ω
Monitor outputs Output range: voltage ±10 VDC @ max 5 mA
current ±20 mA @ max 500 Ω load resistance
Enable input Range: 0 ÷ 5 VDC (OFF state), 9 ÷ 24 VDC (ON state), 5 ÷ 9 VDC (not accepted); Input impedance: Ri > 10 kΩ
Fault output Output range: 0 ÷ 24 VDC (ON state > [power supply - 2 V] ; OFF state < 1 V ) @ max 50 mA;
external negative voltage not allowed (e.g. due to inductive loads)
Position transducers power supply +24 VDC @ max 100 mA and +5 VDC @ max 100 mA are software selectable;
±10 VDC @ max 14 mA minimum load resistance 700 Ω
Pressure/Force transducer
power supply (only for SF, SL) +24VDC @ max 100 mA (E-ATRA-7 see tech table GX800)
Alarms Solenoid not connected/short circuit, cable break with current reference signal, over/under temperature,
valve spool transducer malfunctions, alarms history storage function
Insulation class H (180°) Due to the occuring surface temperatures of the solenoid coils,
the European standards ISO 13732-1 and EN982 must be taken into account
Protection degree to DIN EN60529 IP66 / IP67 with mating connectors
Duty factor Continuous rating (ED=100%)
Tropicalization Tropical coating on electronics PCB
Additional characteristics Short circuit protection of solenoid’s current supply; 3 leds for diagnostic;
protection against reverse polarity of power supply
Communication interface
USB
Atos ASCII coding
CANopen
EN50325-4 + DS408
PROFIBUS DP
EN50170-2/IEC61158
EtherCAT, POWERLINK,
EtherNet/IP, PROFINET IO RT / IRT
EC 61158
Communication physical layer not insulated
USB 2.0 + USB OTG
optical insulated
CAN ISO11898
optical insulated
RS485
Fast Ethernet, insulated
100 Base TX
The ignition temperature of the hydraulic fluid must be 50°C higher than the max solenoid surface temperature
(1) Performance limitations in case of flame resistant fluids with water:
-max operating pressure = 210 bar
-max fluid temperature = 50°C
18 ELECTRONIC OPTIONS
I = This option provides 4 ÷ 20 mA current reference signal, instead of the standard ±10 VDC.
Input signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ±20 mA.
It is normally used in case of long distance between the machine control unit and the valve or where the reference signal can be affected
by electrical noise; the valve functioning is disabled in case of reference signal cable breakage.
C = This option is available to connect analog position transducer and pressure/force transducers with 4 ÷ 20 mA current output signal,
instead of the standard ±10 VDC.
Input signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ±20 mA.
19
For SN: /BI, /BY, /BIY, /IY
POSSIBLE COMBINED OPTIONS
17
HYDRAULIC OPTIONS
B = Solenoid, on-board digital driver + axis card and LVDT position transducer at side of port A of the main stage.
For hydraulic configuration vs reference signal, see 20.1
Y = This option is mandatory if the pressure in port T exceeds 210 bar
14 CERTIFICATION DATA
15.1 Cable temperature
The cable must be suitable for the working temperature as specified in the “safety instructions” delivered with the first supply of the products.
15 CABLE SPECIFICATION AND TEMPERATURE - Power supply and grounding cables have to comply with following characteristics:
16 CABLE GLANDS
Cable glands with threaded connections M20x1,5 for standard or armoured cables have to be ordered separately, see tech table KX800
Note: a Loctite sealant type 545, should be used on the cable gland entry threads
For SF, SL: /BI, /BY, /IY, /CI, /BCI, CIY, BCIY
Max ambient temperature [°C] Temperature class Max surface temperature [°C] Min. cable temperature [°C]
40 °C T6 85 °C 80 °C
55 °C T5 100 °C 90 °C
70 °C T4 135 °C 110 °C
Power supply and signals: section of wire = 1,0 mm2 Grounding: section of external ground wire = 4 mm2
WARNING: service work performed on the valve by the end users or not qualified personnel invalidates the certification
(1) The type examination certificates can be downloaded from www.atos.com
(2) The driver and solenoids are certified for minimum ambient temperature -40°C.
In case the complete valve must withstand with minimum ambient temperature -40°C, select /BT in the model code.
DLHZA, DLKZA
Type examination certificate (1)
Method of protection
Applicable Standards
Cable entrance: threaded connection
OZA-TEZ
Multicertification Group II
Valve type
Solenoid certified code
M = M20x1,5
Temperature class
Surface temperature
Ambient temperature (2)
Certifications
EN 60079-0: 2012+A11:2013 EN 60079-31:2014
EN 60079-1:2014
IEC 60079-0:2017 IEC 60079-31:2013
IEC 60079-1:2014
T6
≤ 85 °C
-40 ÷ +40 °C
T5
≤ 100 °C
-40 ÷ +55 °C
T4
≤ 135 °C
-40 ÷ +70 °C
ATEX IECEx EAC CCC
• ATEX: TUV IT 18 ATEX 068 X
• ATEX
Ex II 2G Ex db IIC T6/T5/T4 Gb;
Ex II 2D Ex tb IIIC T85°C/T100°C/T135°C Db
• IECEx: IECEx TPS 19.0004X
• IECEx
Ex db IIC T6/T5/T4 Gb
Ex tb IIIC T85°C/T100°C/T135°C Db
• CCC: 2021322307004057
• CCC
Ex d IIC T6/T5/T4 Gb;
Ex tD A21 IP66/IP67 T85°C/T100°C/T135°C
• EAC: RU C - IT.AЖ38.B.00425/21
• EAC
1Ex d IIC T6/T5/T4 Gb X;
Ex tb IIIC T85°C/T100°C/T135°C Db X
FX610
20 DIAGRAMS (based on mineral oil ISO VG 46 at 50 °C)
20.1 Regulation diagrams
1= Linear spools L
2= Differential - linear spool D7
Regulated flow [%]
Regulated flow [%]
Reference signal [Volt] Reference signal [Volt]
12
3 = Differential non linear spool DT7
4 = Non linear spool T5 (only for DLHZA)
Regulated flow [%]
Reference signal [Volt]
3
Regulated flow [%]
Reference signal [Volt]
4
T5 and T7 spool types are specific for fine
low flow control in the range from 0 to
60% (T5) and 0 to 40% (T3 and T7) of
max spool stroke.
The non linear characteristics of the spool
is compensated by the axis card, so the
final valve regulation is resulting linear
respect the reference signal (dotted line).
DT7 has the same characteristic of T7 but
it is specific for applications with cylin-
ders with area ratio 1:2
Note:
Hydraulic configuration vs. reference signal:
Standard:
Reference signal 0 ÷ +10 V P n A / B n T
12 ÷ 20 mA
Reference signal 0 ÷ -10 V P n B / A n T
12 ÷ 4 mA
option /B:
Reference signal 0 ÷ +10 V P n B / A n T
12 ÷ 20 mA
Reference signal 0 ÷ -10 V P n A / B n T
12 ÷ 4 mA
Regulated flow [%]
Reference signal [Volt]
5
Regulated flow [%]
Reference signal [Volt]
6
5 = Non linear spool, T3 (only for DLKZA) and T7
6 = Progressive spool V
}
}
}
}
20.2 Pressure gain
Δp AnB [%P]
Δp AnB
20.3 Bode diagrams
Stated at nominal hydraulic conditions
DLHZA:
1 = ± 100% nominal stroke
2 = ± 5% nominal stroke
DLKZA:
3 = ± 100% nominal stroke
4 = ± 5% nominal stroke
Amplitude ratio [dB]
Frequency [Hz]
Phase [degree]
Amplitude ratio [dB]
Frequency [Hz]
Phase [degree]
12
12 34
34
21 FAIL SAFE POSITION
fail safe 3
fail safe 1
without fail safe
CONFIGURATION LINEAR NOT LINEAR
fail safe
regulation range regulation range
fail safe
mechanical stop
mechanical stop
mechanical stop
mechanical stop
t = 7-10 ms (DLHZA)
t = 15-20 ms (DLKZA)
regulation range regulation range
t = 7-10 ms (DLHZA)
t = 15-20 ms (DLKZA)
t = time required by the valve to switch from central to fail safe position at the power switch-off, with pressure 0 to 100 bar
Fail safe connections
Fail safe 1
Fail safe 3
DLHZA
DLKZA Fail safe 3
P 씮 A P 씮 B A 씮 T B 씮 T
50 70 70 50
50 70 - -
- - 15÷30 10÷20
- - 40÷60 25÷40
(1) Referred to spool in fail safe position and 50°C oil temperature (2) Referred to spool in fail safe position at Δp = 35 bar per edge
Leakage [cm3/min]
at P = 100 bar (1)
Flow [l/min] (2)
+2
0
-3
90°
45°
0°
90°
45°
0°
10 50 100 200
+2
0
-3
10 50 100 200
FX610
22.3 Position reference input signal (P_INPUT+)
Functionality of P_INPUT+ signal (pin 10), depends on axis card reference mode, see section :
external analog reference
(see 2.1): input is used as reference for control in closed loop the actuator position.
Reference input signal is factory preset according to selected valve code, defaults are ±10 VDC for standard and 4 ÷ 20 mA for /I option.
Input signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ± 20 mA.
external fieldbus reference
(see 2.1)
or automatic cycle
(see 2.2)
:
analog reference input signal can be used as on-off commands with input
range 0 ÷ 24VDC.
22.4 Force reference input signal (F_INPUT+) - only for SF, SL
Functionality of F_INPUT+ signal (pin 12), depends on selected axis card reference mode and alternated control options, see section :
SF, SL controls and external analog reference selected
: input is used as reference for the axis card force closed loop.
Reference input signal is factory preset according to selected valve code, defaults are ±10 VDC for standard and 4 ÷ 20 mA for /I option.
Input signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ± 20 mA.
SN control or fieldbus/internal reference selected:
analog reference input signal can be used as on-off commands with input range 0 ÷ 24VDC.
22.5 Position monitor output signal (P_MONITOR)
The axis card generates an analog output signal (pin 9) proportional to the actual axis position; the monitor output signal can be software set to
show other signals available in the axis card (e.g. analog reference, fieldbus reference, position error, valve spool position).
Monitor output signal is factory preset according to selected valve code, defaults are ±10 VDC for standard and 4 ÷ 20 mA for /I option.
Output signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ± 20 mA.
22.6 Force monitor output signal (F_MONITOR) - only for SF, SL
The axis card generates an analog output signal (pin 11) according to alternated force control option:
SN control
: output signal is proportional to the actual valve spool position
SF, SL controls
: output signal is proportional to the actual force applied to the cylinder’s rod end
Monitor output signals can be software set to show other signals available in the axis card (e.g. analog reference, force reference).
The output range and polarity are software selectable within the maximum range ±10 VDC or ±20 mA.
Monitor output signal is factory preset according to selected valve code, defaults are ±10 VDC for standard and 4 ÷ 20 mA for /I option.
Output signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ± 20 mA.
22.7 Enable input signal (ENABLE)
To enable the axis card, a 24VDC voltage has to be applied on pin 6.
When the Enable signal is set to zero the axis card can be software set to perform one of the following actions:
- maintain the actuator actual position in close loop control
- move towards a predefined position in closed loop control and maintains the reached position (hold position)
- move forward or backward in open loop (only the valve’s closed loop remain active)
22.8 Fault output signal (FAULT)
Fault output signal indicates fault conditions of the axis card (solenoid short circuits/not connected, reference or transducer signal cable
broken, maximum error exceeded, etc.). Fault presence corresponds to 0 VDC, normal working corresponds to 24 VDC.
Fault status is not affected by the Enable input signal.
Fault output signal can be used as digital output by software selection.
22.9 Position transducer input signal
A position transducer must be always directly connected to the axis card. Select the correct axis card execution depending on the desired
transducer interface: digital SSI or Encoder (D execution), potentiometer or a generic transducer with analog interface (A execution).
Position digital input signal is factory preset to binary SSI, it can be reconfigured via software selecting between binary/gray SSI and Encoder.
Position analog input signal is factory preset according to selected valve code, defaults are ±10 VDC for standard and 4 ÷ 20 mA for /C option.
Input signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ± 20 mA.
Refer to position transducer characteristics to select the transducer type according to specific application requirements (see 23.1).
22.10 Remote pressure/force transducer input signals - only for SF, SL
Analog remote pressure transducers or load cell can be directly connected to the axis card.
Analog input signal is factory preset according to selected valve code, defaults are ±10 VDC for standard and 4 ÷ 20 mA for /C option.
Input signal can be reconfigured via software selecting between voltage and current, within a maximum range of ±10 VDC or ± 20 mA.
Refer to pressure/force transducer characteristics to select the transducer type according to specific application requirements (see 23.2).
2
3
22 POWER SUPPLY AND SIGNALS SPECIFICATIONS
Generic electrical output signals of the valve (e.g. fault or monitor signals) must not be directly used to activate safety functions, like to switch-ON/OFF
the machine’s safety components, as prescribed by the European standards (Safety requirements of fluid technology systems and components-
hydraulics, ISO 4413).
22.1 Power supply (V+ and V0)
The power supply must be appropriately stabilized or rectified and filtered: apply at least a 10000 μF/40 V capacitance to single phase
rectifiers or a 4700 μF/40 V capacitance to three phase rectifiers.
22.2 Power supply for axis card logic and communication (VL+ and VL0)
The power supply for axis card logic and communication must be appropriately stabilized or rectified and filtered: apply at least a 10000 μF/40 V
capacitance to single phase rectifiers or a 4700 μF/40 V capacitance to three phase rectifiers.
The separate power supply for axis card logic on pin 3 and 4, allow to remove solenoid power supply from pin 1 and 2 maintaining active the
diagnostics, USB and fieldbus communications.
A safety fuse is required in series to each power supply: 2,5 A time lag fuse.
A safety fuse is required in series to each axis card logic and communication power supply: 500 mA fast fuse.
23 ACTUATOR’S TRANSDUCER CHARACTERISTICS
23.1 Position transducers
The accuracy of the position control is strongly dependent to the selected position transducer. Four different transducer interfaces are available
on the axis cards, depending to the system requirements: potentiometer or analog signal (A execution), SSI or Encoder (D execution).
Transducers with digital interface allow high resolution and accurate measures, that combined with fieldbus communication grants highest
performances.
Transducers with analog interface grant simple and cost effective solutions.
23.2 Pressure/force transducers
The accuracy of the pressure/force control is strongly dependent to the selected pressure/force transducer, see section .
Alternated force controls require to install pressure transducers or load cell to measure the actual pressure/force values.
Pressure transducers allow easy system integration and cost effective solution for alternated position/force controls (see tech table GX800
for pressure transducers details).
Load cell transducers allow the user to get high accuracy and precise regulations for alternated position/force control.
The characteristics of the remote pressure/force transducers must be always selected to match the application requirements and to obtain
the best performances: transducer nominal range should be at least 115%÷120% of the maximum regulated pressure/force.
23.3 Transducers characteristics & interfaces - following values are just for reference, for details please consult the transducer’s datasheet
3
Position Pressure/Force
Execution A D SF, SL
Input type Potentiometer Analog SSI (3) Incremental Encoder Analog
Power supply (1) 10 ÷ 30 VDC +24 VDC +24 VDC +5 VDC / +24 VDC +24 VDC
Axis card interface 0 ÷ 10 V 0 ÷ 10V 4 ÷ 20 mA Serial SSI binary/gray TTL 5Vpp - 150 KHz ±10 VDC 4 ÷ 20 mA
Max speed 0,5 m/s 1 m/s 1 m/s 2 m/s -
Max resolution < 0.4 % FS < 0.2 % FS 5 μm1 μm (@ 0.15 m/s) < 0.4 % FS
Linearity error (2) ± 0.1% FS < ±0.02% FS < ± 0.02 % FS < ± 0.001 % FS < ±0.25% FS
Repeatability (2) ± 0.05% FS < ± 0.005% FS < ± 0.005 % FS < ± 0.001 % FS < ±0.1% FS
(1) Power supply provided by Atos axis card (2) Percentage of total stroke (3) For Balluff BTL7 with SSI interface only special code SA433 is supported
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
BC (2)
AGND (1)
TR2 (3)
EARTH
CLOCK- /R
DATA- /A
NC /B
GND
F_MONITOR (1)
P_MONITOR
AGND
FAULT
VL0
V0
CAN_H
not used
CAN_GND
CAN_SHLD
CAN_L
BP (2)
LINE_B
LINE_A
DGND
+5V
SHIELD
EH, EW, EI, EP
RX+
RX-
TX+
TX-
NC
(1) VF +24V
(1) TR1
TR
R CLOCK+
A DATA+
B NC
VP
(1) F_INPUT+
P_INPUT+
INPUT-
ENABLE
VL+
V+
BC (2)
not used
CAN_H
CAN_GND
CAN_SHLD
CAN_L
BP (2)
LINE_A
LINE_B
DGND
+5V
SHIELD
EH, EW, EI, EP
RX+
RX-
TX+
TX-
NC
(1) Connections available only for SF, SL
(2) For BC and BP executions the fieldbus connections have an internal pass-through connection
(3) Connection available only for SF
24 TERMINAL BOARD OVERVIEW
FX610
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS
C2
13 CAN_L Bus line (low)
15 CAN_SHLD Shield
17 CAN_GND Signal zero data line
19 not used Pass-through connection (1)
21 CAN_H Bus line (high)
(1) Pin 19 and 22 can be fed with external +5V supply of CAN interface
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS
C1
14 CAN_L Bus line (low)
16 CAN_SHLD Shield
18 CAN_GND Signal zero data line
20 CAN_H Bus line (high)
22 not used Pass-through connection (1)
25.3 BC fieldbus execution connections
25.1 Main connections signals
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS NOTES
A
1V0 Power supply 0 VDC Gnd - power supply
2V+ Power supply 24 VDC Input - power supply
3VL0 Power supply 0 VDC for axis card logic and communication Gnd - power supply
4VL+ Power supply 24 VDC for axis card logic and communication Input - power supply
5FAULT Fault (0 VDC) or normal working (24 VDC), referred to VL0 Output - on/off signal
6ENABLE Enable (24 VDC) or disable (0 VDC) the axis card, referred to VL0 Input - on/off signal
7AGND Analog ground Gnd - analog signal
8INPUT- Negative reference input signal for P_INPUT+ and F_INPUT+ Input - analog signal
9P_MONITOR Position monitor output signal: ±10 VDC / ±20 mA maximum range, referred to AGND
Defaults are: ±10 VDC for standard and 4 쐦 20 mA for /I option Output - analog signal
Software selectable
10 P_INPUT+ Position reference input signal: ±10 VDC / ±20 mA maximum range
Defaults are: ±10 VDC for standard and 4 쐦 20 mA for /I option Input - analog signal
Software selectable
11 F_MONITOR
Force (SF, SL controls) or valve spool position (SN control) monitor output signal:
±10 VDC / ±20mA maximum range, referred to AGND
Defaults are: ±10 VDC for standard and 4 쐦 20 mA for /I option
Output - analog signal
Software selectable
12 F_INPUT+ Force reference input signal (SF, SL controls): ±10 VDC / ±20 mA max. range
Defaults are: ±10 VDC for standard and 4 쐦 20 mA for /I option Input - analog signal
Software selectable
31 EARTH Internally connected to axis card housing
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS
B
1+5V_USB Power supply
2ID Identification
3GND_USB Signal zero data line
4D- Data line -
5D+ Data line +
25.2 USB connector - M12 - 5 pin always present
Axis card view
(female)
25
ELECTRONIC CONNECTIONS
B
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS
C2
13 SHIELD
15 +5V Power supply
17 DGND Data line and termination signal zero
19 LINE_A Bus line (high)
21 LINE_B Bus line (low)
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS
C1
14 SHIELD
16 +5V Power supply
18 DGND Data line and termination signal zero
20 LINE_B Bus line (low)
22 LINE_A Bus line (high)
25.4 BP fieldbus execution connections
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS
C2
13 NC do not connect
15 TX- Transmitter
17 TX+ Transmitter
19 RX- Receiver
21 RX+ Receiver
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATIONS
C1
14 NC do not connect
16 TX- Transmitter
18 TX+ Transmitter
20 RX- Receiver
22 RX+ Receiver
25.5 EH, EW, EI, EP fieldbus execution connections
25.6 Remote pressure transducer connections - only for SF, SL
CABLE
ENTRANCES PIN SIGNAL TECHNICAL SPECIFICATIONS NOTES SL - Single transducer
Voltage Current
SF - Double transducers
Voltage Current
D1
D2
33 TR2 2nd signal transducer
±10 VDC / ±20 mA maximum range Input - analog signal
Software selectable / / Connect Connect
34 TR1 1st signal transducer
±10 VDC / ±20 mA maximum range Input - analog signal
Software selectable Connect Connect Connect Connect
35 AGND Common gnd for transducer power
and signals Common gnd Connect / Connect /
36 VF +24V Power supply +24VDC Output - power supply Connect Connect Connect Connect
(input) (output)
CABLE
ENTRANCE PIN SSI - default transducer (1) Encoder (1)
SIGNAL TECHNICAL SPECIFICATION NOTES SIGNAL TECHNICAL SPECIFICATION NOTES
E
30 CLOCK+ Serial syncronous clock (+)
Input - digital signal
/RInput channel /R
Input - digital signal
29 CLOCK- Serial syncronous clock (-) /R Input channel /R
28 DATA+ Serial position data (+) /AInput channel /A
27 DATA- Serial position data (-) /A Input channel /A
26 NC Not connect Do not connect /BInput channel /B
25 NC /B Input channel /B
24 VP
Power supply:
+24VDC , +5VDC or OFF
(default OFF)
Output - power supply
Software selectable VP
Power supply:
+24VDC , +5VDC or OFF
(default OFF)
Output - power supply
Software selectable
23 GND Common gnd for transducer
powerand signals Common gnd GND Common gnd for transducer
power and signals Common gnd
CABLE
ENTRANCE PIN SIGNAL TECHNICAL SPECIFICATION NOTES
E
32 TR Signal transducer Input - analog signal
24 VP Power supply:
+24VDC or OFF (default OFF) Output - power supply
Software selectable
23 GND Common gnd for transducer power and signals Common gnd
Encoder connection - example
Encoder - HEIDENHAN Model LS 100, cable gland
TEZ/LEZ axis card
Above connections are intended as generic example, for details please consult the transducer datasheet
SSI connection - example
SSI position transducer - MTS Model RH, D70 male connector
TEZ/LEZ axis card
Above connections are intended as generic example, for details please consult the transducer datasheet
Red R+
Black R-
Brown A+
Green A-
Gray B+
Pink B-
Brown / Green Up
White / Green 0V
3Clock (+)
4Clock (-)
2Data (+)
1Data (-)
-NC
-NC
5+24 Vdc (-15/+20%)
6DC ground (for supply)
25.7 D execution - Digital position transducers connections
(1) Digital position transducer type is software selectable: Encoder or SSI, see 22.9
25.8 A execution - Analog position transducers connector
CABLE
ENTRANCE
E
CLOCK+ 30
CLOCK- 29
DATA+ 28
DATA- 27
NC 26
NC 25
VP 24
GND 23
CABLE
ENTRANCE
E
/R30
/R 29
/A28
/A 27
/B26
/B 25
VP 24
GND 23
Connect the transducer cable
to the terminal board of the electronic
Connect the transducer cable
to the terminal board of the electronic
for SF option
E-ATRA remote pressure transducer connection - see tech table GX800
Connect the transducers cables to the terminal board of the electronic
RED V+
BLACK Vout
GRAY SHIELD
BROWN do not connect
E-ATRA
pressure transducer
Current signal
CABLE
ENTRANCE
D1 VF +24V 36
TR1 34
RED V+
BLACK Vout
GRAY SHIELD
BROWN do not connect
E-ATRA
pressure transducer
Current signal
CABLE
ENTRANCE
D2 VF +24V 36
TR2 33
FX610
TERMINAL BOARD AND FIELDBUS TERMINATOR
5
n°4 M6
Tightening torque 15 Nm
Fieldbus terminator only for BC and BP executions (1)
B
Ø 15
~ 50
male (2)
USB CONNECTOR METALLIC PROTECTION CAP - supplied with the valves
E-C-SB-USB/M12
USB CABLE
cable lenght 4m
USB
Remove the 4 screws of axis card rear cover to
access terminal board and fieldbus terminator
B
M20x1.5
~ 20
Tightening torque: 20 Nm
24
B
B
Terminal board - see section 24
Switch Termination enabled
1 ON
ON
1
2
3
4
OFF
2 ON
3 ON
4 OFF
Switch Termination enabled
1 OFF
1
2
3
4
OFF
ON
2 OFF
3 OFF
4 ON
BP - PROFIBUS DP setting:
BC - CANopen setting:
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
DO NOT REMOVE DO NOT REMOVE
WARNING:
the above operation must be performed in a safety area
26 CONNECTIONS LAYOUT
(1) On-board digital driver + axis card with BC and BP fieldbus interface are delivered by default ‘Not Terminated’. All switches are set OFF
(2) Pin layout always referred to on-board digital driver + axis card view
FRONT
REAR
main connections
USB connector always present (factory plugged)
fieldbus (input)
fieldbus (output)
pressure/force transducer 1
pressure transducer 2 (factory plugged)
position transducer
threaded plug
Cables entrance description:
A
B
C1
C2
D1
E
all versions
NP
BC, BP
EH, EI, EW, EP
B
D1
D2
A
P
P
D1
C1
A
P
C2
P
E
CABLE ENTRANCE OVERVIEW
D2
D2
(front) (rear) (rear)
P
P
E
P
Communication
interfaces
To be ordered separately Cable entrance
overview Notes
NP 2 A - E none none
P
A
P
P
E
P
Cable entrance A, E are open for costumers
Cable entrance P are factory plugged
BC, BP,
EH, EW, EI, EP
“via stub”
connection
3
C1
A - E
1 C2
C2
A
C2
A
P
C1
P
C1
E E
PP
Cable entrance A, E, C1, C2 are open for costumers
Cable entrance P are factory plugged
BC, BP,
EH, EW, EI, EP
“daisy chain”
connection
4
C1 - C2
A - E
none none
C2
A
C2
A
P
C1
P
C1
PP
E E
Cable entrance A, E, C1, C2 are open for costumers
Cable entrance P are factory plugged
quantity entrance
Cable gland
Threaded plug
quantity entrance
26.1 Cable glands and threaded plug for TEZ-SN - see tech table KX800
26.2 Cable glands and threaded plug for TEZ-SF, SL - see tech table KX800
Communication
interfaces
To be ordered separately Cable entrance
overview Notes
NP 4 (SF)
3 (SL)
D1
D2
A - E
none none
A
P
P
E
D1
D2
Cable entrance A , E , D1 are open for costumers
Cable entrance P , D2 are factory plugged (1)
BC, BP,
EH, EW, EI, EP
“via stub”
connection
5 (SF)
4 (SL)
D1 - D2
C1
A - E
1 C2
C2
A
C2
A
C1 C1
E E
D1 D1
D2 D2
Cable entrance A , E , C1 , C2 , D1 are open
for costumers
Cable entrance D2 is factory plugged (1)
BC, BP,
EH, EW, EI, EP
“daisy chain”
connection
6 (SF)
5 (SL)
D1 - D2
C1 - C2
A - E
none none
C2
A
C2
A
C1 C1
D1 D1
E E
D2 D2
Cable entrance A, E, C1, C2, D1, D2 are open
for costumers
Cable entrance D2 is factory plugged (1)
quantity entrance
Cable gland
Threaded plug
quantity entrance
(1) Remove plug D2 for second transducer connection of SF version
FX610
27 MAIN SOFTWARE PARAMETER SETTINGS
For a detailed descriptions of the available settings, wirings and installation procedures, please refer to the user manuals included in the Z-SW
programming software:
Z-MAN-RA-LEZ - user manual for TEZ and LEZ with SN
Z-MAN-RA-LEZ-S - user manual for TEZ and LEZ with SF, SL
27.1 External reference and transducer parameters
Allow to configure the axis card reference and transducer inputs, analog or digital, to match the specific application requirements:
-
Scaling parameters
define the correspondence of these signals with the specific actuator stroke or force to be controlled
-
Limit parameters
define maximum/minimum stroke and force to detect possible alarm conditions
-
Homing parameters
define the startup procedure to initialize incremental transducer (e.g. Encoder)
27.2 PID control dynamics parameters
Allow to optimize and adapt the axis card closed loop to the wide range of hydraulic system characteristics:
-
PID parameters
each part of the closed loop algorithm (proportional, integral, derivative, feed forward, fine positioning, etc) can be
modified to match the application requirements
27.3 Monitoring parameters
Allow to configure the axis card monitoring function of the positioning error (difference between actual reference and feedback) and detects
anomalous conditions:
-
Monitoring parameters
maximum allowed errors can be set for both static and dynamic positioning phases, and dedicated waiting times can
be set to delay the activation of the alarm condition and relevant reaction (see 27.4)
27.4 Fault parameters
Allow to configure how the axis card detects and reacts to alarm conditions:
-
Diagnostics parameters
define different conditions, threshold and delay time to detect alarm conditions
-
Reaction parameters
define different actions to be performed in case of alarm presence (stop at actual or preprogrammed position,
emergency forward/backward, axis card disabling, etc.)
27.5 Valve characteristics compensation
Allow to modify the valve regulation to match the actuator/system characteristics and to obtain the best overall performances:
-
Valve parameters
modify the standard valve regulation by means of deadband compensation, curve linearization and differentiated gain
for positive and negative regulation
27.6 Motion phases parameters
When the internal reference generation is active a pre-programmed cycle can be generated; start/stop/switch-over commands and reference
generation types parameters can be set to design a customized sequence of motion phases adapted to the specific application requirements (see 2.2).
28 FASTENING BOLTS AND SEALS
DLHZA DLKZA
Fastening bolts:
4 socket head screws M5x50 class 12.9
Tightening torque = 8 Nm
Fastening bolts:
4 socket head screws M6x40 class 12.9
Tightening torque = 15 Nm
Seals:
4 OR 108;
Diameter of ports A, B, P, T: Ø 7,5 mm (max)
1 OR 2025
Diameter of port Y: Ø = 3,2 mm (only for /Y option)
Seals:
5 OR 2050;
Diameter of ports A, B, P, T: Ø 11,2 mm (max)
1 OR 108
Diameter of port Y: Ø = 5 mm (only for /Y option)
282
81 195 6
3
3
1
15
50
2
38.5
29 INSTALLATION DIMENSIONS [mm]
1 = Air bleeding
2 = Space to remove the USB connector
3 = The dimensions of cable glands must be considered (see tech table KX800)
ISO 4401: 2005
Mounting surface:
4401-03-02-0-05 (see table P005)
(for /Y surface:
4401-03-03-0-05 without port X)
Mass [kg]
DLHZA-TEZ 7,2
DLHZA-TEZ
DLHZA-TEZ-0*
DLHZA-TEZ-0*/B
1
15
50
2
3
282
811956
38.5
65
190
45
3
Note: for option /B the proportional solenoid, the LVDT transducer and the on-board digital driver + axis card are at side of port A
FX610
1
4
11/23
1 = Air bleeding
2 = Space to remove the USB connector
3 = The dimensions of cable glands must be considered (see tech table KX800)
DLKZA-TEZ
ISO 4401: 2000
Mounting surface
: 4401-05-04-0-05
(see table P005)
(for /Y surface 4401-05-05-0-05 without X port)
Mass [kg]
DLKZA-TEZ 9
DLKZA-TEZ-1*
DLKZA-TEZ-1*/B
65
200
30
30
115
115
1956
195 6
316
316
15
50
2
15
50
2
3
3
30 RELATED DOCUMENTATION
X010 Basics for electrohydraulics in hazardous environments
X020 Summary of Atos ex-proof components certified to ATEX, IECEx, EAC, CCC, PESO
FX500 Ex-proof digital proportionals with P/Q control
FX900 Operating and manintenance information for ex-proof proportional valves
GS500 Programming tools
GS510 Fieldbus
GX800 Ex-proof pressure transducer type E-ATRA-7
KX800 Cable glands for ex-proof valves
P005 Mounting surfaces for electrohydraulic valves
Z-MAN-RA-LEZ TEZ/LEZ user manual
Z-MAN-RA-LEZ-S TEZ/LEZ with P/Q control user manual
1
4
Note: for option /B the proportional solenoid, the LVDT transducer and the on-board digital driver + axis card are at side of port A
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
Atos FX610 is a high-performance digital servoproportional valve that offers precise control of linear or rotary hydraulic actuators. With its on-board axis card and LVDT position transducer, it provides closed-loop position control for demanding applications. The FX610 is ideal for use in hazardous environments, thanks to its ATEX, IECEx, EAC, and CCC certifications for gas group II 2G and dust category II 2D.
Key features of the Atos FX610 include:
- Precise position control with closed-loop feedback
- On-board axis card and LVDT position transducer
- Multicertification for hazardous environments (ATEX, IECEx, EAC, CCC)
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